- The
operculum is a
series of
bones found in bony fish and
chimaeras that
serves as a
facial support structure and a
protective covering for the gills;...
- Mississippi. p. 436. ISBN 978-1-57806-246-1. Pomoxis:
sharp opercle, in
reference to the
opercle bone
ending in two
spines Wallus, Robert; Simon,
Thomas P...
- it the bluntnose.
There is a dark
lateral line
which stretches from the
opercle to the base of the tail,
where a
large black spot is located. The average...
- The
material that was
referred to
Vango by
Murray et al. (2023)
includes opercles, hyomandibulae, frontals, and basioccipitals, and
other partial gonorynchiform...
- armatus. H.
scomberoides is
overall silvery with a dark spot
behind the
opercle and
another at the
lower base of the
pectoral fin. In
adults the tail is...
- are silvery, and
there is a
vertically elongated dark spot
behind the
opercle. The tail is
reddish to orange. The
species name
tatauaia is of Tupi origin...
- is the
reduced first gill arch of a fish (on the
inner surface of the
opercle, near the
junction of the preopercle) as well as a
reduced "false" gill...
- are venomous; they have two
large venomous spines situated behind their opercles and
above their pectoral fins. The
species within the
genera Astroscopus...
- is
deeply notched between the 10
spines and the 9 to 13 soft rays. The
opercle has two spines, and the anal fin three.
Their bodies are
compressed and...
- All
toadfishes possess sharp spines on the
first dorsal fin and on the
opercle (gill cover). In fish of the
subfamily Thal****ophryninae,
these are hollow...
